[ADF-4125] simplify extension load in extension module (#4214)

* add extension load in extension module

* add viewer extensions

* fix license header

* fix node passed in the viewer extension

* fix node passed in the viewer extension

* startup factory extension

* startup factory extension

* fix script

* fix beta tag build

* fix build

* fix build

* refactoring configuration files

* extension using map

* fix build

* fix config

* fix test

* fix test

lib/insights/tsconfig.json

@@ -1,42 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "es5",
-    "module": "commonjs",
-    "moduleResolution": "node",
-    "sourceMap": true,
-    "emitDecoratorMetadata": true,
-    "experimentalDecorators": true,
-    "skipLibCheck": false,
-    "noLib": false,
-    "allowUnreachableCode": false,
-    "allowUnusedLabels": false,
-    "noImplicitAny": false,
-    "noImplicitReturns": false,
-    "noImplicitUseStrict": false,
-    "noFallthroughCasesInSwitch": true,
-    "removeComments": true,
-    "declaration": true,
-    "outDir": "../dist/insights/",
-    "baseUrl" :  "./",
-    "paths": {
-      "@alfresco/adf-process-services": ["../process-services"],
-      "@alfresco/adf-content-services": ["../content-services"],
-      "@alfresco/adf-core": ["../core"]
-    },
-    "lib": [
-      "es2016",
-      "dom"
-    ],
-    "suppressImplicitAnyIndexErrors": true,
-    "noUnusedLocals": true
-  },
-  "exclude": [
-    "demo",
-    "node_modules",
-    "dist"
-  ],
-  "angularCompilerOptions": {
-    "strictMetadataEmit": false,
-    "skipTemplateCodegen": true
-  }
-}